See All ProductsTebuconazole

Action

Fungicide

Use

For use on barley, oats, rye, triticale, rice, wheat, oilseed rape, peanuts, grapes, pome and stone fruit, nuts, bananas, turf, ornamentals, and soybeans.

Formulation

Emulsifiable concentrate, flowable, seed dressing, oil-water emulsion, suspension concentrate, water dispersible granule, wettable powder, emulsion for seed treatment.

Identification

Common Names

Tebuconazole (BSI, ISO, ISO-F); Tébuconazole (ISO-F)

Exp. Code Number

Bay HWG 1608 (Bayer)

CAS Code

107534-96-3

Chemistry

Compositions

(RS)-1-p-chlorophenyl-4,4-dimethyl-3-(1H-1,2,4-triazol-1-ylmethyl)pentan-3-ol (IUPAC); α-[2-(4-chlorophenyl)ethyl]-α-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol (CAS)

Class

Triazole.

Properties

Colorless to light brown powder. Melting point 105°C.

Molecular Formula

C16H22ClN3O

Mode of Action / Resistance Management

Chemical Group

triazoles

Mode of Action

sterol biosynthesis in membranes

Action Group

FRAC Code 3

Target Site

G1: C14-demethylase in sterol biosynthesis

Risk Note

Medium risk

Environmental Guidelines

Hazard

Fish: LC50 (96 h) 5.7 mg/l (bluegill sunfish), 4.4 mg/l (rainbow trout). Birds: Acute oral LD50 4438 mg/kg b.w. (male Japanese quail), 2912 mg/kg b.w. (female Japanese quail), 1988 mg/kg b.w (bobwhite quail); Dietary LC50 (5 d) >4816 mg/kg feed (mallard ducks), >5000 mg/kg feed (bobwhite quail). Bees: LD50 (48 h) (oral) >83 µg/bee, (contact) >200 µg/bee.

Water Solubility

36 mg/l at 20° C (pH 5-9)

Safety Guidelines

Signal Word

CAUTION

Toxicity Class

III

Toxicity

(Rat): Oral LD50 4000 mg/kg (male), 1700 mg/kg (female); Dermal LD50 >5000 mg/kg; Inhalation LC50 0.37 mg/l air (aerosol), >5.1 mg/l (dust).